Selby, M. (1971). The surface of the earth: Climate soils and vegetation. Cassell & Co.
Lua i Stíl Chicago (17ú heag.)Selby, M.J. The Surface of the Earth: Climate Soils and Vegetation. London: Cassell & Co, 1971.
Lua MLA (9ú heag.)Selby, M.J. The Surface of the Earth: Climate Soils and Vegetation. Cassell & Co, 1971.
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